Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)

In this work, the potential of water hyacinth (Eichhornia crassipes) and pecan nutshell (Carya illinoinensis) as a source of lignin was investigated. The lignin extraction was carried out using an organosolv procedure and was characterized by infrared spectroscopy, scanning electron microscopy, and...

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Autores principales:	Espinoza-Acosta, José Luis, Montaño-Leyva, Beatriz, Valencia-Rivera , Dora E., Ledesma-Osuna, Ana I., Vega-Rios, Alejandro
Formato:	Online
Lenguaje:	spa
Publicado:	Universidad de Sonora 2022
Acceso en línea:	https://biotecnia.unison.mx/index.php/biotecnia/article/view/1642
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id	biotecnia-article-1642
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spelling	biotecnia-article-16422022-12-16T18:55:16Z Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis) Extracción, caracterización y actividad antioxidante de lignina de lirio acuático (Eichhornia crassipes) y cáscara de nuez pecanera (Carya illinoinensis) Espinoza-Acosta, José Luis Montaño-Leyva, Beatriz Valencia-Rivera , Dora E. Ledesma-Osuna, Ana I. Vega-Rios, Alejandro Lignin Organosolv process Water hyacinth Pecan nutshell Phenolic compounds Antioxidant activity Lignina Proceso organosolv Lirio acuático Cáscara de nuez pecanera Compuestos fenólicos Actividad antioxidante In this work, the potential of water hyacinth (Eichhornia crassipes) and pecan nutshell (Carya illinoinensis) as a source of lignin was investigated. The lignin extraction was carried out using an organosolv procedure and was characterized by infrared spectroscopy, scanning electron microscopy, and thermogravimetric analysis. The antioxidant activity was determined through the stabilization of the free radicals DPPH and ABTS. The results showed higher lignin content and extraction performance in pecan nutshells. The infrared spectrum revealed typical bands of the main functional groups; phenolic –OH groups, C – H3 methyl groups, and O–CH3 methoxyl which are part of the aromatic ring of lignin. The water hyacinth lignin (LLA) showed high resistance to thermal degradation which places it as an interesting component for the development of phenolic resins and flame retardants. The lignin extracted from pecan nutshell (LCN) showed a high percentage of inhibition against DPPH and ABTS radicals when it was solubilized in ethanol, methanol, and in ethanol-methanol mixtures (50:50 v/v). The high antioxidant activity of LCN indicates that this type of lignin may have applications in the food and pharmaceutical industries. En este trabajo se investigó el potencial de lirio acuático (Eichhornia crassipes) y cáscara de nuez pecanera (Carya illinoinensis) como fuente de lignina. La extracción de la lignina se realizó aplicando un procedimiento organosolv y fue caracterizada por espectroscopía de infrarrojo, microscopía electrónica de barrido, y análisis termogravimétrico. La actividad antioxidante fue determinada a través de la estabilización de los radicales libres DPPH y ABTS. Los resultados mostraron mayor contenido de lignina y rendimiento de extracción en las cáscaras de nuez. El espectro infrarrojo reveló bandas típicas de los principales grupos funcionales; grupos –OH fenólicos, grupos metilo C–H3 y metoxilo O–CH3 los cuales forman parte del anillo aromático de la lignina. La lignina de lirio acuático (LLA) mostró alta resistencia a la degradación térmica la cual la sitúa como componente interesante para el desarrollo de resinas fenólicas y retardantes de flama. La lignina extraída de las cáscaras de nuez pecanera (LCN) mostró un alto porcentaje de inhibición contra los radicales DPPH y ABTS cuando fue solubilizada en etanol, metanol y mezclas de etanol-metanol 50:50 v/v. La alta actividad antioxidante de la LCN indica que este tipo de lignina pueden tener aplicaciones en la industria de alimentos y farmacéutica. Universidad de Sonora 2022-05-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original peer-reviewed articles Artículos originales evaluados por pares application/pdf text/xml https://biotecnia.unison.mx/index.php/biotecnia/article/view/1642 10.18633/biotecnia.v24i2.1642 Biotecnia; Vol. 24 No. 2 (2022): Mayo-Agosto; 94-103 Biotecnia; Vol. 24 Núm. 2 (2022): Mayo-Agosto; 94-103 1665-1456 1665-1456 spa https://biotecnia.unison.mx/index.php/biotecnia/article/view/1642/657 https://biotecnia.unison.mx/index.php/biotecnia/article/view/1642/760 Derechos de autor 2022 https://creativecommons.org/licenses/by-nc-sa/4.0
institution	Biotecnia
collection	OJS
language	spa
format	Online
author	Espinoza-Acosta, José Luis Montaño-Leyva, Beatriz Valencia-Rivera , Dora E. Ledesma-Osuna, Ana I. Vega-Rios, Alejandro
spellingShingle	Espinoza-Acosta, José Luis Montaño-Leyva, Beatriz Valencia-Rivera , Dora E. Ledesma-Osuna, Ana I. Vega-Rios, Alejandro Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)
author_facet	Espinoza-Acosta, José Luis Montaño-Leyva, Beatriz Valencia-Rivera , Dora E. Ledesma-Osuna, Ana I. Vega-Rios, Alejandro
author_sort	Espinoza-Acosta, José Luis
title	Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)
title_short	Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)
title_full	Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)
title_fullStr	Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)
title_full_unstemmed	Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)
title_sort	extraction, characterization and antioxidant activity of lignin from water hyacinth (eichhornia crassipes) and pecan nut shell (carya illinoinensis)
description	In this work, the potential of water hyacinth (Eichhornia crassipes) and pecan nutshell (Carya illinoinensis) as a source of lignin was investigated. The lignin extraction was carried out using an organosolv procedure and was characterized by infrared spectroscopy, scanning electron microscopy, and thermogravimetric analysis. The antioxidant activity was determined through the stabilization of the free radicals DPPH and ABTS. The results showed higher lignin content and extraction performance in pecan nutshells. The infrared spectrum revealed typical bands of the main functional groups; phenolic –OH groups, C – H3 methyl groups, and O–CH3 methoxyl which are part of the aromatic ring of lignin. The water hyacinth lignin (LLA) showed high resistance to thermal degradation which places it as an interesting component for the development of phenolic resins and flame retardants. The lignin extracted from pecan nutshell (LCN) showed a high percentage of inhibition against DPPH and ABTS radicals when it was solubilized in ethanol, methanol, and in ethanol-methanol mixtures (50:50 v/v). The high antioxidant activity of LCN indicates that this type of lignin may have applications in the food and pharmaceutical industries.
publisher	Universidad de Sonora
publishDate	2022
url	https://biotecnia.unison.mx/index.php/biotecnia/article/view/1642
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Extraction, characterization and antioxidant activity of lignin from water hyacinth (Eichhornia crassipes) and pecan nut shell (Carya illinoinensis)

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